<template>
  <div>
    <!-- 面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片试图区域-->
    <el-card>
      <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input v-model="queryInfo.query" placeholder="请输入内容" class="input-with-select" clearable @clear="getUserList">
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="open">添加用户</el-button>
          </el-col>
        </el-row>
      <!-- 用户列表区域 -->
       <el-table
          :data="userList"
          style="width: 100%"
          border
          stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column
            prop="username"
            label="用户名">
          </el-table-column>
          <el-table-column
            prop="email"
            label="邮箱">
          </el-table-column>
          <el-table-column
            prop="mobile"
            label="电话">
          </el-table-column>
          <el-table-column
            prop="role_name"
            label="角色">
          </el-table-column>
          <el-table-column label="状态">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column  label="操作" width="180px">
             <template>
               <!--修改按钮-->
               <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog"></el-button>
               <!--删除按钮-->
               <el-button type="danger" icon="el-icon-delete" size="mini"></el-button>
               <!--分配角色按钮-->
               <el-tooltip :enterable="false" class="item" effect="dark" content="分配角色" placement="top">
                <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
               </el-tooltip>
             </template>
          </el-table-column>
        </el-table>
        <!--分页区域-->
         <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
          </el-pagination>
    </el-card>
    <!-- 添加用户的对话框-->
     <el-dialog
        title="提示"
        :visible.sync="addDialogVisible"
        width="50%"
        @close="addDialogClose"
        :before-close="handleClose">
         <!-- 内容主体区域 -->
        <el-form  ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
           <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
           <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
           <el-form-item label="电话" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%">
        <span>这是一段信息</span>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editDialogVisible = false">确 定</el-button>
        </span>
      </el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    /* 验证邮箱的规则 */
    var checkEmail = (rule, value, callback) => {
      // 验证邮箱的正则表达式
      const regEmail = /^[A-Za-zd0-9]+([-_.][A-Za-zd]+)*@([A-Za-zd0-9]+[-.])+[A-Za-zd]{2,5}$/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return callback()
      }

      callback(new Error('请输入合法的邮箱'))
    }
    var checkMobile = (rule, value, callback) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        // 合法的手机号
        return callback()
      }

      callback(new Error('请输入合法的手机'))
    }
    return {
      // 获取用户参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      /* 用户列表 */
      userList: [],
      /* 获取用户总数 */
      total: 0,
      addDialogVisible: false,
      // 编辑用户对话框显示属性
      editDialogVisible: false,
      /* 添加用户数据 */
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      /* 添加用户表单验证规则 */
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在3到10之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在3到10之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: ['blur'] }
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: rs } = await this.$http.get('users', { params: this.queryInfo })
      if (rs.meta.status !== 200) return this.$message.err('获取用户列表失败')
      this.userList = rs.data.users
      this.total = rs.data.total
      console.log(rs)
    },
    // 监听 pagesize change
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听状态的改变
    async userStateChanged (row) {
      const { data: rs } = await this.$http.put(`users/${row.id}/state/${row.mg_state}`)
      if (rs.meta.status !== 200) {
        row.mg_state = !row.mg_state
        return this.$message.err('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    open () {
      this.addDialogVisible = true
    },
    handleClose () {
      this.addDialogVisible = !this.addDialogVisible
    },
    /* 窗体关闭事件 */
    addDialogClose () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: rs } = await this.$http.post('users', this.addForm)
        if (rs.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户列表
        this.addDialogVisible = false
        // 重新获取用户列表
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    showEditDialog () {
      this.editDialogVisible = true
    }
  }
}
</script>
<style lang="less" scoped>
</style>
